Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.043 mH 1.093 mH 1.182 mH 1.232 mH 1.043 mH 1.093 mH 1.182 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Synchronous line No need of same frequency for exchange of power Asynchronous line both 1 and 2 Synchronous line No need of same frequency for exchange of power Asynchronous line both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 11 kV. Up to 33 kV. Up to 12 kV. Up to 66 kV. Up to 11 kV. Up to 33 kV. Up to 12 kV. Up to 66 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance increases remains unaffected None of these decreases increases remains unaffected None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 600 kV 400 kV 350 kV 500 kV 600 kV 400 kV 350 kV 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criteria is used for nether 1 nor 2 absolute stability of the system relative stability of the system either 1 or 2 nether 1 nor 2 absolute stability of the system relative stability of the system either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
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